From: Ruby Ruby <lists@...>
Date: 2012-06-11T17:52:08+09:00
Subject: cgi class prints garbage in HTML output

Hi everybody

I am trying to bring an Web App up in ruby 1.9.3 which worked flawlessly
in ruby 1.8.7. But sofar, I am stumbling from one failure to the next.
At some point it seems to me as if the cgi class would write everything
it gets hands on to the HTML output, which makes that the HTML output is
unusable, to say the least.

Note that in the following ruby code snippet @c is the actual cgi-class.

This is the code which generates the main HTML table (table3):

<snip>
    nf = rf.length    # total number of fields to display
    noc = @sess["noc"].to_i
    nor = nf/noc  # total number of rows to display
    ncta = (CHARS_TEXTAREA / noc).to_s    # cols in the textarea
    if nrr == 1    # must be one single row
      @c.tablen("class"=>"ps") { "#{
        (0..nor).collect { |rct|
  # field names
      @c.tr{
      "#{ rf[rct*noc, noc].collect { |nf|  # field name
        nt = @dbx.tat[nf].to_s        # field type
        @sess["aeq"].include?(nf) ? nf = @sess["aeq"][nf] : nf = _(nf)
          @c.th("class"=>"tah") {"#{nf} (#{nt})"}
        }
      }"
      }+"\n"+
      @c.tr{
  # field content
      "#{ rf[rct*noc, noc].collect { |nf|  # field name
        nt = @dbx.tat[nf].to_s        # field type
        nr = rr[nf]          # field value
        if nf.match(/date_(next|last)_action/)
          nr = Time.now.strftime("%Y-%m-%d")
        end
        nx = CGI::unescape(nr)
        nrta = ROWS_NEW_TEXTAREA.to_s
        cmds[nt].call(ncta, nrta, nf, nx, nr)

        }
        }"
        }
        }
      }"+"\n"
      }
</snip>

And this is the generated HTML code. Note that I manually inserted the
line feeds into the HTML text, to make it readable. In the original, all
is on one single line.

<snip>
<TABLE class="ps" id="table3" name="table3">["
<TR>[\"<TH class=\\\"tah\\\">task_name (text)</TH>\", \"<TH
class=\\\"tah\\\">actiony (text)</TH>\", \"
<TH class=\\\"tah\\\">date_start (date)</TH>\", \"
<TH class=\\\"tah\\\">date_end (date)</TH>\", \"
<TH class=\\\"tah\\\">period (int(4) unsigned)</TH>\"]</TR>\n
<TR>[\"<TD class=\\\"v\\\">
<TEXTAREA cols=\\\"18\\\" rows=\\\"2\\\" name=\\\"task_name\\\"
id=\\\"task_name\\\" onchange=\\\"ctx(this)\\\"></TEXTAREA>\\n
</TD>\", \"<TD class=\\\"v\\\">
<TEXTAREA cols=\\\"18\\\" rows=\\\"2\\\" name=\\\"actiony\\\"
id=\\\"actiony\\\" onchange=\\\"ctx(this)\\\"></TEXTAREA>\\n
</TD>\", \"<TD class=\\\"v\\\"><INPUT class=\\\"df\\\"
name=\\\"date_start\\\" id=\\\"date_start\\\" onchange=\\\"ctx(this)\\\"
value=\\\"\\\" TYPE=\\\"text\\\">\\n
</TD>\", \"<TD class=\\\"v\\\"><INPUT class=\\\"df\\\"
name=\\\"date_end\\\" id=\\\"date_end\\\" onchange=\\\"ctx(this)\\\"
value=\\\"\\\" TYPE=\\\"text\\\">\\n
</TD>\", \"<TD class=\\\"v\\\"><INPUT class=\\\"df\\\"
name=\\\"period\\\" id=\\\"period\\\" onchange=\\\"ctx(this)\\\"
value=\\\"\\\" TYPE=\\\"text\\\">\\n</TD>\"]
</TR>", "<TR>[\"<TH class=\\\"tah\\\">next_period (date)</TH>\", \"<TH
class=\\\"tah\\\">date_last_action (date)</TH>\", \"<TH
class=\\\"tah\\\">date_next_action (date)</TH>\", \"<TH
class=\\\"tah\\\">start_time (time)</TH>\", \"<TH
class=\\\"tah\\\">end_time (time)</TH>\"]</TR>\n<TR>[\"<TD
class=\\\"v\\\"><INPUT class=\\\"df\\\" name=\\\"next_period\\\"
id=\\\"next_period\\\" onchange=\\\"ctx(this)\\\" value=\\\"\\\"
TYPE=\\\"text\\\">\\n</TD>\", \"<TD class=\\\"v\\\"><INPUT
class=\\\"df\\\" name=\\\"date_last_action\\\"
id=\\\"date_last_action\\\" onchange=\\\"ctx(this)\\\"
value=\\\"2012-06-11\\\" TYPE=\\\"text\\\">\\n</TD>\", \"<TD
class=\\\"v\\\"><INPUT class=\\\"df\\\" name=\\\"date_next_action\\\"
id=\\\"date_next_action\\\" onchange=\\\"ctx(this)\\\"
value=\\\"2012-06-11\\\" TYPE=\\\"text\\\">\\n</TD>\", \"<TD
class=\\\"v\\\"><INPUT class=\\\"df\\\" name=\\\"start_time\\\"
id=\\\"start_time\\\" onchange=\\\"ctx(this)\\\" value=\\\"\\\"
TYPE=\\\"text\\\">\\n</TD>\", \"<TD class=\\\"v\\\"><INPUT
class=\\\"df\\\" name=\\\"end_time\\\" id=\\\"end_time\\\"
onchange=\\\"ctx(this)\\\" value=\\\"\\\"
TYPE=\\\"text\\\">\\n</TD>\"]</TR>", "<TR>[\"<TH
class=\\\"tah\\\">task_address (text)</TH>\", \"<TH
class=\\\"tah\\\">task_comment (text)</TH>\", \"<TH
class=\\\"tah\\\">task_responsible (text)</TH>\", \"<TH
class=\\\"tah\\\">project (text)</TH>\"]</TR>\n<TR>[\"<TD
class=\\\"v\\\"><TEXTAREA cols=\\\"18\\\" rows=\\\"2\\\"
name=\\\"task_address\\\" id=\\\"task_address\\\"
onchange=\\\"ctx(this)\\\"></TEXTAREA>\\n</TD>\", \"<TD
class=\\\"v\\\"><TEXTAREA cols=\\\"18\\\" rows=\\\"2\\\"
name=\\\"task_comment\\\" id=\\\"task_comment\\\"
onchange=\\\"ctx(this)\\\"></TEXTAREA>\\n</TD>\", \"<TD
class=\\\"v\\\"><TEXTAREA cols=\\\"18\\\" rows=\\\"2\\\"
name=\\\"task_responsible\\\" id=\\\"task_responsible\\\"
onchange=\\\"ctx(this)\\\"></TEXTAREA>\\n</TD>\", \"<TD
class=\\\"v\\\"><TEXTAREA cols=\\\"18\\\" rows=\\\"2\\\"
name=\\\"project\\\" id=\\\"project\\\"
onchange=\\\"ctx(this)\\\"></TEXTAREA>\\n</TD>\"]</TR>"]
</TABLE><!-- table3 -->
</snip>

Has someone had such problems as well with ruby 1.9.3? I already
mentionned that the above ruby code worked fine in ruby 1.8.7.
What do I need to change to prohibit the multi-escaping of each item?

Thanks very much for any idea.

suomi

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